Los Angeles is a region better known for Hollywood, but it actually has more manufacturing jobs than any other metro area in the U.S. Of the more than half-million manufacturing jobs in the region, about 50,000 of them are in the garment industry.

Fashion is a big part of LA's identity, and you feel it in the Fashion District downtown. It has changed a lot since the late 1980s, when plain beige towers called California Mart bustled with all things related to the garment industry.

Brian Weitman grew up around the garment industry and remembers Cal Mart's heyday.

In 2015, what's American made? The U.S. is known for manufacturing — it's part of our identity, though jobs have been lost. They've gone overseas. Technology has changed the way things are made.

Nevertheless, America is still making stuff.

And in terms of jobs, the Los Angeles area is the biggest manufacturing hub in the country. There are a few reasons why. There is plenty of space here to build things like factories and runways. That beautiful California weather? It's actually great for testing planes year-round.